package com.xl.juc;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

/**
 * 加法计数器
 * @author Charley
 * @create 2020-12-27
 */
public class CyclicBarrierTest {

    public static void main(String[] args) {
        //集齐7颗龙珠召唤神龙 只有数量为7个才执行
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7,()->{
            System.out.println("召唤神龙成功。。。");
        });
        for (int i = 1; i <=7 ; i++) {

            final int temp = i;
            new Thread(()->{
                System.out.println(Thread.currentThread().getName()+"收集"+temp+"颗龙珠");
                try {
                    cyclicBarrier.await();//等待 加1
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            },String.valueOf(i)).start();
        }
    }
}
